Pile extractor and the like



Nov; 19, 1929. V J. N. WARRINGTON 1,735,104

FILE EXTRACTOR AND THE LIKE Filed July' 18, 1927 III/Ii Patented Nov. 19, 1929 @aa'raar mea were " JAMns. N. ARRENG TON, or LOS ANGELES, oALIFoninA y TILE nx'rzeaoroir ND THE LIKE fzApplication I-filed July' 12,

Q My invention relatesv to ai' devi'ce adapted tobe interposed in the line of 'pull fOI'WilZhdrawing pile :and, the like "from 'theplace-in which-theyyhave been'useda'nd operateddur 1 10, crete and is difiicult to withdraw without'injury to the pile or to' the workyand is the purpose of my' invention to provide a' simple, practical andeconoinical device'which can be attached as a link in the-line of pull from the i derrick toithe pile :andwhichcanbeset in operation during'the pullto strike upward blows rapidly,sthusl loosening the pile an enabling the derrick to pull it out. Another object of my inventionz-is to provideu a device iof'thecharacterreferred to in :which there is a cylinder with a combination --.piston, ram and valve operating therein, the V 1 one eleinentserving the triple purpose 'ofrain, V piston. and valvefcontrolling ithevinlet and exhaust or. steam for compressed: air, I with 7 suitable co-operati'ng' mechanism to receive zand fl apply 1 the i *blows without lngury to the device.

:lVhile I have shown any 'CleVlCe as partlcu- I am aware that it has many other applications and usesandfdo notointend to lim-it'it to theparticular use 'andzapplioation shownon the accompanying drawings 'for purposes'of description. "Inthedrawings forming apart I IIAn outlet vent from said cap is designated of these specifications,

Figure 1 is aside elevation oimyiinvention, "partly in longitudinal section;

Figure 2 is a similar: view at -right angles .to the view of Fig 1;

Figure 3-is a top plan view"with-parts viided'with'a cap block 2l,secured"in place brokenaway; I V

Figure 4 1s a cross sectional viewta'kenon J line 4 -4 of Fig, 1;

- Figure 4 is an enlarged 5 detail view to show anannular' shoulder' on": the pistonyand p 7 I p .applying'pull to said hook and said link. The upper-end of said cylinder'body 6, belowv said.

a capblockQ-l, is provided'with a cross'headlor I bar lL25,. 'thr-ough; a suitable: opening-. trans- Figure 5is a cross sectional view-taken' on line 5'5 of Fig. 1. 9

Referring now more in detail to'the drawin'gs, I my invention embodies, as shown for larly adapted to pile extracting apparatus,:

1 927.iwSeTiaI NoJZOSAYB.

illustrative purposes, a cylindricalfbody 6, having theenlarged portion 7, to provide an annular chamber 8', around the combination element 9, mounted therein and-constituting a piston, a rain and a valvefall three being 55 QIDbOLlIGCl'IIIthG one elementihas more par ticularlyrreferred to, hereafter: Therlo-wer "portion oi" saidf cylinder body has. therein, prei'erably formed inthe wall thereof; an

annular pa-ssageway lO; with ports 11, 'opening therefrom intothe' central part of said cylinder, around the element 9,.W1th a down-.

ward extension of said passageway,designated 12,- and communicating :withthe' lower endof the cylinder body, as will be-clear fi from Fig.2., Thereis'also'forined-a second annular passageway 13,- in the wall ofsaid cylinder body, below the passageway 10, with the -ports 1 leadingtherei'rom to-the inside of-saidcylin'der body 7,as do the ports 11x 0 Said annular passageway 18 is interrupted at one side, asseen in-'Fig.5,-with solid ma terial forniingthe downward extension. 12, from the "annular passage 10, said-1 solid ma -terial-beingdesignated 12C- Saidpalssage- -way 13 constitutes an exhaust passage, with 'o'utlet'connection at 15. An inleticonnection 16- is provided inthe side of-said cylinder body, communicating'with theannular chaln her 8, around said movable element'9,-as will-I be clear frornzFig; 2. l r Y An end block-or cap v17'is-provided'for the lower end'of said cylinder body, in which. is

a coiled spring 18,1adapted to yieldin'gly receive said element 9,;as indicatedfinFig. 2; 55

19,'with arernovable plug 20, said outlet vent The upper end of said cylinder bodyis prov with four :bolts"or-screwspas' 22. said cap block'21, being provided on top with an in-' tegraLlink or loop, 23,-to receivea hookQ l,

from derrick or other power mechanism for versely through said upper end, said opening being designated 26. The outer ends or" said cross head or bar 25, are preferably round, as at 25, upon which aretwo s1de bars 27,

:27, extended down along opposite sides of said cylinder body, as clearly shown, and provided, at their lower ends with, a connecting crosshead, 28, to which is attached a pull plate or member 29, which is adapted to be The use and operation of my invention as 'here'lllustrated may be brieflydescribed as follows Assuming that it is to be used for pullingp'ile,,P- and that a derrick is used to furnish the power, attached to the device by means of the hook 24, and that the device as here shown is interposed as a link in the line of pull between the derrick hook 24 and the pile P the pull strain is applied to the upper end of the cylinder through the link or loop 23, andto the cross head or bar 25, and thence through the side bars 27, 27, to thecross bar 28, at their lower ends, and'thence. through the member 29, to the pile P.v to which said member 29 has'been attached. If the pile is capable of being pulled-I with such pull as is applied through thisconnection, it is unnecessary to usethe ram action of the eleunent 9. It the pilefsticks, however, and

it is desirableto apply blows'in the direction .of the pull, steam or air under pressure is will be understood that any fluid under pres- I in said chamber 8, operates on the annular shoulder 9. ,of said piston element 9, forcing said piston element down past the ports 11, whereupon'said steam or other fluid enters said ports '11, and the annular passage, 10,

' and down to the lower end of said piston element 9, through the passage extension 12,

operating to'force saidpistonelement 9 up- 'wardly as a ram, its upper end striking the cross bar 25. As'soon as the element 9 moves upwardly sufficiently touncover the ports 14, the steam or fluid below said element 9, ispermittedto escape out through the'eX- haust 15, and said element 9 moves downwardly again as before,i ts weight and the act1onoit the steam on the annular shoulder 9, operating to accomplish this downward movement, until the. inlet ports 11 are again opened. 7 Thusthelower end of said element 9, operates as a valve over the ports" 11 and i passe's,means for connecting a supply of operating fluid to said cylinder, adetached 14, controlling the by-Ipasses'from the annular chamber 8, tothe'lower end of the cylinder, and from the lower end of the cylinder out through theexhaust 15. There will al In the top cap' ways he sufiicient amount of the fluid in the lower end 01"- said cylinder to act as a cushion for the piston or ram. This is due to the fact that the exhaust outlet ports are closed before said piston or ram reaches its lowermost movement. Should there be no cushioning fluid therein at any time, for any reason, the spring" 18, takes the weight or said piston or ram,.but normally said spring is not engaged by. said ram on its downward movement. The action 'is'to produce a series of intermittent upward strokes against the crossbar 25, during the application of the pull strain from the derrick. The force these strokes is conveyed through the cross head 25, and the side bars 27, 27, to the pile P. I

in which there is no separate valve, for the element 9, operatesasits own valve, and its movements control the inletjandegihaust of the operating fluid. It operates as a piston under the action of the operating fluid, and it also operates as airam, producing intermittent, short'strokes against the cross head 25, as heretofore described. 7

I do not limit the invention'to the use illustrated, realizing that there are possibly inany different uses-to whichtheinvention proper can be-put,.but 1t ismy intention to cover such slmilar (lGVlCGS as may come withinthe scope of the hereto. appended claims. r u r Iclaimzfl '1. In combination with a pull line, a cylinder,a "combination piston, valve and ram "operating as a'single, detached element there- 'in, means for admitting an'operating fluid to said cylinder to automatically operate said element as a ram to intermlttently strike blows in the direction of the pull on said line and means foralternately directingsaid Thus I have provided'a very simple and practicaldevice of the character referred to operating fluid against a small areaot said 2. In combination with pull line, a cylfinder adapted to be connected asa link in said pull llIlG, said cylinder'having inlet and exhaust openings, and a floating element in said cyllnder, said floating element being adapted to operate as avalve, a plston and a @ram, means for connecting a supply of fluid under pressure, to said cylinder for oper ating said element as a ram to strike blows in one direction and means for alternately directing said operating fluid against a small area of said element to return the same for each ower stroke. r

3. cylinder adapted to its opposite ends'as a link in a pull line and having inlet and exhaust openings, with byelement moving freely in said cylinder and adapted to function as a valve for controlling be connected at smegma said inletand exhaust openings, asag pist'on i'operat'ed'bysaid fluid, and-as a ram for striking blows in one directionautmatically and me ans whereby said operating fiu'id returns gaidelement after each power-stroke witlrless orce.

4. Means for pulling pile and the like including in combination a line attached to the pile; a cylinder forming a part' of ,said line and" through which pull is-appli'ed, saiclcylinder havinginlet and" exhaustyopenings and by-passestherefor, and a combination piston,

valve andram, as a single, integral, detached 5 element -moving freely in said' cylinder 1 and adapted to be operated interinittently to strike blows in one dir-e'ctiointhe power stroke of said element being accomplished byeaid 'fiuidpressure, and the action oi said fluld' pressure being controlled by'the'movement of said element and means-whereby-said operating" fluid-returns said-element after each power stroke with less force.

l 5'. Incombination, a'cyl'nderhaving inlet *and exhaust openings, "means" for connecting an operating fiu1d'=to"sa1d inletopening, a

single 'unitary' element' floating in said cylinder and operable as a valve to control the inlet and exhaust, asa piston moved by- -S&1(l

fluid, and as aram for striking intermittent blowsand means WllGIQlJY'SHlCl operat ng fluid returns saldelement after each power stroke with less force,--substantia1l Pi th described. e 1 V I 6. In combination; a cylinder having an enlarged annular portion, a cyhndrrcal ele- *ment in'said cylinder bridging at all-times saidenlarged annular --portion,'. wherebyan annular chamber is"formed'Within'said cyllnderaround said r element, an annular slioul- I der on said element'below said-annular "chamber, whereby pressure therein forces sa-id elenient" downwardly, 'by-pass means uncovflered by the downward movement or said element, said by-pass leading to the lowenend of said cylinder forinoving sa1d e1ement upwardly, and means providing exhaust outlet "to be uncovered by 'the=upwardmovement of said-element.

7. In combinatiomacylinder,-sa-id cylin- "der having a cylindrical chamber therein is with an enlarged I portion intermediate its ends, a cylindrical element fitting said cylindrical chamber and bridging theenlarged portion, means for connecting a sup'ply of operating fluid to the-annular chamber around said element iormed' by-saidenlarged portion, saidelem'ent having oneend provided with an annular shoulder within said cylindrical chamber near oneend of said annular "chamber, whereby operating fiuid in' said annular chamber operates on said annular shoulder to move"saidelement fin one direction; a bypass"having one end connected With the end of said cylindrical chamber for admitting operating fluid the-reto 5150 move said element and havingi its other end in communication? iwith said anniular chamber-and adapted I to be con trolledby a part of said element', 1 and means; providing "an-exhaust from -the end of said cylindrical chamber, the opposite end not: said element being-adapted tointermitt ently strike blows Y e -as it-=is moved bysaid operating flllldflfll1d means 'insaid' ppp'osite :jendofsaid c ylinder to receive-said blows. e

8. In combination,- a cylinder having an enlarge: portion: intermediate its ends, 1 a cylindrical element fitting thereinandfbridg nular i chamber l is} -zformed aroundsaid elementintermediateiits ends,- one end of a said element being slightly larger I and- 1 forming an annular shoulder 1 in the cylinder z near said annular' chamber, means -for connecting a supply of operating flu id to -said annular ing said enlarged j:por-tion, wl ereby an a-n- I ego V chamber, "said operating fluid operating "on 1 said annular shoulder to move said-element in one direction, means forming: a: by-lpass around'the: enlarged part n said: ielement, 'one end or said by-pass' being: covered and -.-uncovered--by the movement of said e'lejment,

"eating; with the end of said cylinder and admitting operating fluid'to; the end 0f said site direction, the enlarged portion: Ifoi J said element alternatelycovering i and uncover- 7 ing said -by-pass to admitioperating lfluidfto 'the'end of said cylinder, and means forming an eXhaustoutletpositionedato :be' alte'rnately opened and closed'by said element,- Whereb'y said operating fluid automatically-1 and "and tlieotherend of said 'by pass communicylinde'r to movesaid element in ithe oppo n intermittently moves f said elem'ent as: a valve, v

in said c linder-a0 *bejacted :on byaan ioper-' ating flirid in:said anmilar chamber, byl-pass means-from sa-i'dannular I chamb er rtoi'the end of said cylinder-, controlled by': said element operating las a valve, whereby asaid 'ioperat- "ing'fluid' automatically operates said element as aram, and means' for connecting a supply 'of operating fluid to :said cylinder;

1 ""10; In combination, a cylinder; a cylindri- "cal elementmoving in saidcylinder and be =ing slightly sh'orter in l'ength than the cylindricalchamber of said cylinderysaid element having an annular-shoulder at onetjend thereof, means forming a chamber-gin the 1 side :of "said cylinder intermediate its ends andlin- ,-"termediate the'ends of said element and communicatingwith the portion of said cylinder in I which said-annular shoulder on said ele- -=ment-is,= means lfor eonnect ng"anroperatm fluid tosaid chamber in the si'deof said cylinder, to operate sonsaid annu-larshoulder and'movesaid element in one: direction, and means forming a by-pass around saldannular shoulder 'to the end of said cylinder to admit operating fluid for 'moving saidelement' in the oppositedirection, said by-pass being controlled by apart of said element operat ng as a valve, means forming an ex haust from said cylinder andadapted to be controlled by a part of said elementoPerating as a valve, theopposite. end of said element being adapted to operateas a ram when moved by'said operating'fluid in one direction, means connected with said .cylinderto receive the direct blows of saidelement, and means whereby said operating'fluidacts as a cushion for the rebound of said element.-

to, in "combination, acylinder,'a combinationvalve, piston, and ram fitting therein ,and extending throughoutthe greater part of the length, ofithe cylinder, whereby to have a short movement therein, said combination valve, pistonf-and ram being a unitary element floating freely in said cylinder,

- means providing inletand exhaust openings and by-passes forsaid cylinder, means for connecting a supply of operating fluid thereto, said unitary element having an annular shoulderthereon adapted to receive operating fluid for moving. it in onedirection, said elementoperatingas a valveto control the admission of operating fluid to the end of said cylinderfor moving said element in the opposite directionas a-Qram, and means whereby s'uflicient operating fiuid is retained in the end of said c'ylinderto cushion-the rebound movement of saidelement. 5 u

"12. In a device of the character referred to, ai'cylinder, a-combination valve, piston and ram movably mounted in said cylinder and extending throughout thegreater part of the length of said cylinder whereby to have a short movement therein, said combination element having an'annular shoulder positioned to be operated on by'an operat-n ing fluid to move said element. in one direction, means providing inlet and exhaust openings and by-passes, all controlled by said element operating as a valve, means for connecting an operating fluid theretofor automatically and intermittently operating said element as a ram, means whereby operating fluid is retained tocushion the rebound of said elementin one end ofsaid cylinder, and means for drainage of the end of said cylinder to remove condensation.

13. In combination, a body having a cylindrical chamber therein, means providing ad ditional chamber space intermediate the ends of said cylindrical chamber, a cylindrical V element fitting within said cylindrical chamher and extending throughout -the-.greate'r portion of thelength thereof, whereby to have 1 said cylinder.

a short movement therein, said elementbridging said additional chamber space, said element having a shoulder portion ad acent sald additional chamber space, whereby operating fluid therein operates to move said element in of operating fluid to said'chamber space, bypass means to the end of said cylinder for 570 one direction, means for'connecting a supply operating fluid to move said element inthe opposite direction as a ram, said element operating fluid, and means whereby sufficient o .75 operating as a valve to control the flow of said operating fluid is retained-in said cylinder end to cushion the rebound of said element, means at the opposite end of said cylinder-body to receive the blows of said element operating as, a ram, and exhaust neans controlled by i avalve, substantialsaid device, said operating'fluid operating on sa d shoulder to move said element in one d1-' rection, means-forming by-pass to the end of said cylinder for operating fluid to move said element in the opposite d rection as a ram, said element operating as a valve-t0 control the flow of said operatingfluid, means for retaining suflicient operating fluid in the end of said cylinderto cushion said element on the rebound movements thereof, means for exhaust from said cylinder controlled by said element operating as a valve, and means connecting the end of said cylinder by a bypass .With said exhaust for slow 1 leakage therethrough, and means at the opposite end of said 7 body for taking the blows of ,said element when operated as ram. 1

15. In combination, a cylinder, a combination valve, piston and ram element-fitting tlierein, means formingan enlargement of said cylinder chamber intermediate its endsv and intermediate the ends of said element,

, means for connectinganoperating fluid therewith, inlet and exhaust openings and by-pass- "es all controlled by said element operating as a valve, means whereby-said operating element;

automatically operates said element as a ram and p ston and valve, cushioning means at the oppositeends of said cylinder bodyto'r ece ve the opposite ends of said element, and means whereb o aeratin fluid o nerates as a cushioning means for the rebound of said element in 16. In combmation with apull line, acylinder, means for connecting the upper end of said cylinder to said pull line, means connected lee I the flow of said operating fluid, whereby said operating fluid automatically operates said element as a valve, a piston and a ram, means whereby said operating fluid in the end of said cylinder operates to cushion the rebound of said element, means for drainage of said cylinder of liquid therein, and cushioning means at the upper end of said cylinder body to cushion any blow transmitted to the direct 7 connection to said cylinder, substantially as described.

17 In combination with a pull line, a cylinder body having its upper end connected in said pull line, a cross bar through the upper end of said cylinder body, connecting members from said cross bar at opposite sides of sald cylinder and connected with a cross bar at their lower ends below the lower end of said cylinder, whereby pull on the upper end of said cylinder is transmitted through said connecting members to said lower cross bar, said cyllnder havlng inlet and exhaust openlngs and by-pass means for operating fluid, a combination valve, piston and ram element operating in said cylinder and adapted to be automatically and intermittently operated as a 7 ram to strike said upper cross bar, and means whereby suflicient operatin'gyfluid is retained in a lower end of said cylinder-to cushion the rebound of said element, substantially as described.

Signed at Los Angeles, Los Angeles County, California, this 12th day of July, 1927.

JAMES N. WARRINGTON. 

